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Search results for fast actuation

Plants & Animals Apr 3, 2015

Tarantula coordination disintegrates in heat

Scuttling across the floor, a spider's movements have more in common with robots than you may at first realise. Instead of contracting muscles to extend a limb, spiders inflate their joints with haemolymph to straighten them ...

Energy & Green Tech Apr 1, 2015

Adding renewable energy to power grid requires flexibility

Solar panels, wind turbines, electric vehicles and other green power sources are proliferating rapidly, but their reliable integration into the existing electric grid is another story.

Condensed Matter Jan 8, 2015

Why mechanical tension causes some crystals to jump, while others crumble

Crystals are not as stationary as you might think. A crystal of an organometallic compound containing palladium, for example, downright jumps from a hotplate once it reaches certain temperature. An international team of scientists, ...

Engineering Dec 8, 2014

World-first 'bionic bra' inches closer to reality

A 'Bionic Bra' that automatically tightens in response to breast movement is one step closer to reality with the development of a new prototype.  

Engineering Dec 3, 2014

Uncovering fracture models for advanced, high-strength steels

Steel is one of the most common structural materials, truly one of the foundations of modern civilization. An alloy of iron and carbon, steel has been made since biblical times. With two thousand years of experience in steelmaking, ...

Materials Science Nov 18, 2014

Better micro-actuators to transport materials in liquids

Researchers have developed improved forms of tiny magnetic actuators thanks to new materials and a microscopic 3-D printing technology.

Biotechnology Oct 23, 2014

Synthetic biology on ordinary paper, results off the page

New achievements in synthetic biology announced today by researchers at the Wyss Institute for Biologically Inspired Engineering, which will allow complex cellular recognition reactions to proceed outside of living cells, ...

General Âé¶¹ÒùÔºics Sep 29, 2014

Now hear this: Simple fluid waveguide performs spectral analysis in a manner similar to the cochlea

(Âé¶¹ÒùÔº) —Within the mammalian inner ear, or cochlea, a remarkable but and long-debated phenomenon occurs: As they move from the base of the cochlea to its apex, traveling fluid waves – that is, surface waves, in which ...

Optics & Photonics Sep 10, 2014

Âé¶¹ÒùÔºicists build first 500 GHz photon switch

The work took nearly four years to complete and it opens a fundamentally new direction in photonics – with far-reaching potential consequences for the control of photons in optical fiber channels.

General Âé¶¹ÒùÔºics Jun 20, 2014

Solitary acoustic waves observed to propagate at a lipid membrane interface

(Âé¶¹ÒùÔº) —Defining the essential character of the action potential of neurons has proven to be an elusive task. As typically happens, the biggest advances seem to have been made early on. In this case it was Hodgkin and ...

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